Details
Stereochemistry | ACHIRAL |
Molecular Formula | C11H16O |
Molecular Weight | 164.2441 |
Optical Activity | NONE |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
CCC(C)(C)C1=CC=C(O)C=C1
InChI
InChIKey=NRZWYNLTFLDQQX-UHFFFAOYSA-N
InChI=1S/C11H16O/c1-4-11(2,3)9-5-7-10(12)8-6-9/h5-8,12H,4H2,1-3H3
Molecular Formula | C11H16O |
Molecular Weight | 164.2441 |
Charge | 0 |
Count |
|
Stereochemistry | ACHIRAL |
Additional Stereochemistry | No |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Optical Activity | NONE |
4-tert-Pentylphenol (4-tert-Amylphenol) is used to make phenolic resins (novolaks and resoles),
which are used in paints and varnishes and as printing ink resins. The
ethoxylated novolaks are used as oil field demulsifiers. Because of the high
cost of 4-tert-pentylphenol, which is related to the high cost of the starting
material, many of the resin applications have been reformulated using 4-tertbutylphenol. The substance is also used as a germicide in cleaning solutions, although it is
being replaced by quaternary ammonium salts. Kegley et al. (2007) confirm
that both the substance and its potassium and sodium salts are antimicrobial
or fungicidal active ingredients of several disinfectant products that are
currently registered with the US authorities. It appears that some of these
products are used in animal husbandry, including the control of highly
infectious diseases such as avian influenza (US EPA, 2007d). 4-tert-Amylphenol was used as an esterogen receptor (ER) ligand.
Originator
Approval Year
PubMed
Title | Date | PubMed |
---|---|---|
Effect of phthalate esters and alkylphenols on steroidogenesis in human adrenocortical H295R cells. | 2001 Jul |
|
Determination of phenolic disinfectant agents in commercial formulations by liquid chromatography. | 2001 May-Jun |
|
[Study on para-derivative of phenol as enhancers of chemiluminescence]. | 2002 Dec |
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Fish full life-cycle testing for the weak estrogen 4-tert-pentylphenol on medaka (Oryzias latipes). | 2003 Jul |
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Study of 202 natural, synthetic, and environmental chemicals for binding to the androgen receptor. | 2003 Oct |
|
Ecotoxicological evaluation of the biocidal agents sodium o-phenylphenol, sodium o-benzyl-p-chlorophenol, and sodium p-tertiary amylphenol. | 2005 Feb |
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Effects of 4-tert-pentylphenol on the gene expression of P450 11beta-hydroxylase in the gonad of medaka (Oryzias latipes). | 2005 Jan 26 |
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Impurities in a lyophilized formulation of BMS-204352: identification and role of sanitizing agents. | 2006 |
|
Development of chronic tests for endocrine active chemicals. Part 1. An extended fish early-life stage test for oestrogenic active chemicals in the fathead minnow (Pimephales promelas). | 2006 May 10 |
|
Prediction of estrogen receptor agonists and characterization of associated molecular descriptors by statistical learning methods. | 2006 Nov |
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In vitro cytotoxicity assessment of the biocidal agents sodium o-phenylphenol, sodium o-benzyl-p-chlorophenol, and sodium p-tertiary amylphenol using established fish cell lines. | 2006 Oct |
|
A proteomic (SELDI-TOF-MS) approach to estrogen agonist screening. | 2007 Jan |
|
Comparison of relative binding affinities to fish and mammalian estrogen receptors: the regulatory implications. | 2010 Feb 15 |
|
Effects of a weak oestrogenic active chemical (4-tert-pentylphenol) on pair-breeding and F1 development in the fathead minnow (Pimephales promelas). | 2010 May 10 |
|
Single-laboratory validation of a method for the determination of phenols and phenates in disinfectant formulations by liquid chromatography with UV detection. | 2010 May-Jun |
Patents
Sample Use Guides
In Vivo Use Guide
Sources: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/290845/scho0208bnqr-e-e.pdf
Curator's Comment: 4-tert-pentylphenol was administered by oral
gavage to pregnant Sprague-Dawley rats (25 per dose) from gestation day 6 to 15. Doses
were 0, 50, 200 and 500 mg/kg/d and dams and litters were sacrificed and examined after
termination of the study on gestation day 20. There was evidence of significant maternal
toxicity at the top two doses; the incidence of hair loss, abnormal respiratory sounds and
mucoid/soft stools were increased and body weight gain and food consumption were
decreased by 10–50%. The NOAEL for repeat dose toxicity for this study was 50 mg/kg/d.
Acute oral toxicity tests have been conducted with 4-tert-pentylphenol in the rat. In the more recent study, conducted to OECD guidelines, five male and five female animals were given 4-tert-pentylphenol in corn oil by gavage at a limit
dose of 2,000 mg/kg.
Route of Administration:
Oral
In Vitro Use Guide
Sources: https://www.ncbi.nlm.nih.gov/pubmed/12765246
For the agonist assay, 4-tert-Pentylphenol diluted
in DMSO was added to the wells to final
concentrations of 10 uM, 1 uM, 100 nM, 10 nM,
1 nM, 100 pM, and 10 pM, in quadruplicate. A stable transfected cell line, hERa/HeLa, was used.
Substance Class |
Chemical
Created
by
admin
on
Edited
Fri Dec 15 15:10:48 GMT 2023
by
admin
on
Fri Dec 15 15:10:48 GMT 2023
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Record UNII |
6NP9LYK846
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Record Status |
Validated (UNII)
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Record Version |
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EPA PESTICIDE CODE |
64101
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403672
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80-46-6
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m8525
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C019566
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6NP9LYK846
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